/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:21:58,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:21:58,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:21:58,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:21:58,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:21:58,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:21:58,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:21:58,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:21:58,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:21:58,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:21:58,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:21:58,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:21:58,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:21:58,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:21:58,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:21:58,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:21:58,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:21:58,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:21:58,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:21:58,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:21:58,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:21:58,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:21:58,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:21:58,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:21:58,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:21:58,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:21:58,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:21:58,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:21:58,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:21:58,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:21:58,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:21:58,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:21:58,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:21:58,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:21:58,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:21:58,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:21:58,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:21:58,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:21:58,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:21:58,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:21:58,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:21:58,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 07:21:58,175 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:21:58,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:21:58,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:21:58,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:21:58,178 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:21:58,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:21:58,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:21:58,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:21:58,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:21:58,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:21:58,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:21:58,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:21:58,179 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:21:58,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:21:58,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:21:58,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:21:58,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:21:58,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:21:58,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:21:58,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:21:58,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:21:58,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:21:58,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:21:58,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:21:58,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:21:58,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:21:58,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 07:21:58,184 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 07:21:58,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:21:58,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:21:58,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:21:58,704 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:21:58,705 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:21:58,706 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 07:21:58,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a41c1d84/14de90bfa0e342ce805cbda963411f12/FLAG4393493fb [2020-09-25 07:21:59,738 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:21:59,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 07:21:59,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a41c1d84/14de90bfa0e342ce805cbda963411f12/FLAG4393493fb [2020-09-25 07:22:00,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a41c1d84/14de90bfa0e342ce805cbda963411f12 [2020-09-25 07:22:00,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:22:00,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:22:00,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:22:00,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:22:00,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:22:00,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:22:00" (1/1) ... [2020-09-25 07:22:00,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361be992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:00, skipping insertion in model container [2020-09-25 07:22:00,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:22:00" (1/1) ... [2020-09-25 07:22:00,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:22:00,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:22:01,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:22:01,897 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:22:02,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:22:02,193 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:22:02,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02 WrapperNode [2020-09-25 07:22:02,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:22:02,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:22:02,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:22:02,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:22:02,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (1/1) ... [2020-09-25 07:22:02,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (1/1) ... [2020-09-25 07:22:02,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (1/1) ... [2020-09-25 07:22:02,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (1/1) ... [2020-09-25 07:22:02,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (1/1) ... [2020-09-25 07:22:02,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (1/1) ... [2020-09-25 07:22:02,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (1/1) ... [2020-09-25 07:22:02,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:22:02,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:22:02,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:22:02,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:22:02,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:22:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:22:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:22:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 07:22:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 07:22:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 07:22:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 07:22:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 07:22:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 07:22:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 07:22:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 07:22:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 07:22:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 07:22:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 07:22:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 07:22:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 07:22:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 07:22:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 07:22:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 07:22:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 07:22:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 07:22:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 07:22:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 07:22:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 07:22:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 07:22:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 07:22:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 07:22:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 07:22:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 07:22:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 07:22:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 07:22:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 07:22:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 07:22:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 07:22:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 07:22:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:22:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 07:22:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 07:22:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 07:22:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 07:22:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 07:22:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 07:22:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 07:22:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 07:22:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 07:22:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 07:22:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 07:22:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 07:22:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 07:22:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 07:22:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 07:22:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 07:22:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 07:22:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 07:22:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 07:22:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 07:22:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 07:22:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 07:22:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 07:22:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 07:22:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 07:22:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 07:22:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 07:22:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 07:22:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 07:22:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 07:22:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 07:22:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 07:22:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 07:22:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 07:22:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 07:22:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 07:22:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 07:22:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:22:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 07:22:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 07:22:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 07:22:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 07:22:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:22:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 07:22:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 07:22:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:22:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 07:22:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 07:22:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 07:22:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 07:22:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 07:22:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 07:22:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 07:22:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 07:22:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 07:22:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 07:22:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:22:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 07:22:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:22:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 07:22:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 07:22:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 07:22:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 07:22:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:22:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 07:22:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 07:22:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 07:22:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 07:22:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 07:22:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 07:22:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 07:22:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 07:22:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 07:22:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 07:22:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 07:22:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 07:22:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 07:22:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 07:22:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 07:22:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 07:22:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 07:22:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 07:22:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 07:22:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 07:22:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 07:22:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 07:22:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 07:22:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 07:22:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 07:22:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 07:22:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:22:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:22:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:22:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 07:22:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:22:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 07:22:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 07:22:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 07:22:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 07:22:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 07:22:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 07:22:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 07:22:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 07:22:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 07:22:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 07:22:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 07:22:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:22:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 07:22:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 07:22:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 07:22:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 07:22:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 07:22:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 07:22:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 07:22:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 07:22:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 07:22:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 07:22:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 07:22:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 07:22:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 07:22:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 07:22:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 07:22:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 07:22:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:22:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:22:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:22:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 07:22:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:22:03,845 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 07:22:04,688 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 07:22:05,016 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:22:05,016 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 07:22:05,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:22:05 BoogieIcfgContainer [2020-09-25 07:22:05,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:22:05,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:22:05,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:22:05,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:22:05,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:22:00" (1/3) ... [2020-09-25 07:22:05,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601bf84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:22:05, skipping insertion in model container [2020-09-25 07:22:05,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:22:02" (2/3) ... [2020-09-25 07:22:05,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601bf84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:22:05, skipping insertion in model container [2020-09-25 07:22:05,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:22:05" (3/3) ... [2020-09-25 07:22:05,039 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 07:22:05,052 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:22:05,064 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:22:05,089 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:22:05,125 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:22:05,126 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:22:05,126 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:22:05,126 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:22:05,126 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:22:05,126 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:22:05,126 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:22:05,127 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:22:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 07:22:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 07:22:05,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:05,191 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:22:05,192 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:05,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:05,201 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 07:22:05,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:05,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158200930] [2020-09-25 07:22:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:06,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:06,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:07,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:09,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:10,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:10,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 07:22:10,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:22:10,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5097 [2020-09-25 07:22:10,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:10,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 07:22:10,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 07:22:10,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 07:22:11,898 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:22:11,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 07:22:12,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-09-25 07:22:12,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 07:22:12,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:12,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 07:22:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:22:12,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 07:22:12,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:22:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:12,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:22:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:22:12,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 07:22:12,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:22:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:12,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:22:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:22:12,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 07:22:12,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:22:12,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:13,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:22:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:13,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:13,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:13,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:13,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:22:13,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:13,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 07:22:13,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:13,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:13,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:13,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 07:22:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:13,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 07:22:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:13,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:13,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:13,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:13,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:22:13,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:13,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-25 07:22:13,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:13,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:13,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 07:22:13,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 07:22:13,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 07:22:13,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:13,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 07:22:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:13,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:13,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:13,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:22:13,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:13,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 07:22:13,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:13,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 07:22:13,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:13,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:13,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:13,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:13,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:22:13,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:13,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 07:22:13,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:13,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:13,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:13,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:13,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 07:22:14,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158200930] [2020-09-25 07:22:14,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:14,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:22:14,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2367581] [2020-09-25 07:22:14,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:22:14,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:14,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:22:14,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:22:14,178 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 9 states. [2020-09-25 07:22:14,589 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 07:22:15,765 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 07:22:16,168 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:22:16,789 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-25 07:22:17,168 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-25 07:22:17,594 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 07:22:17,929 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 07:22:24,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:24,484 INFO L93 Difference]: Finished difference Result 2165 states and 2512 transitions. [2020-09-25 07:22:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 07:22:24,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190 [2020-09-25 07:22:24,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:24,518 INFO L225 Difference]: With dead ends: 2165 [2020-09-25 07:22:24,518 INFO L226 Difference]: Without dead ends: 1173 [2020-09-25 07:22:24,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-09-25 07:22:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-09-25 07:22:24,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1061. [2020-09-25 07:22:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2020-09-25 07:22:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1182 transitions. [2020-09-25 07:22:24,716 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1182 transitions. Word has length 190 [2020-09-25 07:22:24,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:24,717 INFO L479 AbstractCegarLoop]: Abstraction has 1061 states and 1182 transitions. [2020-09-25 07:22:24,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:22:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1182 transitions. [2020-09-25 07:22:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 07:22:24,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:24,724 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:22:24,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:22:24,724 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:24,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:24,725 INFO L82 PathProgramCache]: Analyzing trace with hash -978144985, now seen corresponding path program 1 times [2020-09-25 07:22:24,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:24,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994193602] [2020-09-25 07:22:24,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:24,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:25,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:26,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:26,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 07:22:26,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:26,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1303 [2020-09-25 07:22:26,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:26,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 07:22:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-25 07:22:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:26,894 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:22:26,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:27,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:27,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:27,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 07:22:27,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:27,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-09-25 07:22:27,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:27,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 07:22:27,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:27,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 07:22:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:27,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:27,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:27,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:22:27,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 07:22:27,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:27,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:22:27,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:27,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:22:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:27,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:27,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:27,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:22:27,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 07:22:27,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:27,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:22:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:27,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:22:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:27,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:27,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:27,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:22:27,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 07:22:27,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:27,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:22:27,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:27,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:22:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:27,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:27,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:27,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:27,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:27,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 07:22:27,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:27,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:27,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:27,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:27,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 07:22:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:27,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:28,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 07:22:28,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:28,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 07:22:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:22:28,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 07:22:28,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 07:22:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:22:28,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 07:22:28,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:28,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 07:22:28,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994193602] [2020-09-25 07:22:28,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:28,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 07:22:28,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783548136] [2020-09-25 07:22:28,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 07:22:28,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:28,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 07:22:28,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:22:28,382 INFO L87 Difference]: Start difference. First operand 1061 states and 1182 transitions. Second operand 7 states. [2020-09-25 07:22:28,749 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 07:22:29,420 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 07:22:29,727 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:22:30,177 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 07:22:35,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:35,276 INFO L93 Difference]: Finished difference Result 1174 states and 1321 transitions. [2020-09-25 07:22:35,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 07:22:35,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-09-25 07:22:35,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:35,288 INFO L225 Difference]: With dead ends: 1174 [2020-09-25 07:22:35,288 INFO L226 Difference]: Without dead ends: 1171 [2020-09-25 07:22:35,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 07:22:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2020-09-25 07:22:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1060. [2020-09-25 07:22:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-09-25 07:22:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1180 transitions. [2020-09-25 07:22:35,456 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1180 transitions. Word has length 199 [2020-09-25 07:22:35,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:35,457 INFO L479 AbstractCegarLoop]: Abstraction has 1060 states and 1180 transitions. [2020-09-25 07:22:35,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 07:22:35,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1180 transitions. [2020-09-25 07:22:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 07:22:35,461 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:35,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:22:35,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:22:35,462 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:35,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:35,463 INFO L82 PathProgramCache]: Analyzing trace with hash -258228913, now seen corresponding path program 1 times [2020-09-25 07:22:35,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:35,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650666292] [2020-09-25 07:22:35,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:35,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:35,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:36,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:36,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-25 07:22:36,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:36,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 965 [2020-09-25 07:22:36,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:36,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:36,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:36,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 07:22:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-25 07:22:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:37,081 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:22:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:37,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:37,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:37,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 07:22:37,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:37,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-25 07:22:37,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:37,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 07:22:37,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:37,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 07:22:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:37,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:37,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:37,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:22:37,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:37,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 07:22:37,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:37,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:37,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:37,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:22:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:37,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:22:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:37,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:37,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:37,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:22:37,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:37,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 07:22:37,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:37,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:22:37,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:37,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:22:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:37,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:37,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:37,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:22:37,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 07:22:37,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:37,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:22:37,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:37,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:22:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:37,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:37,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:37,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:37,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:37,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 07:22:37,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:37,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:37,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:37,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 07:22:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:37,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:38,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:38,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:38,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 07:22:38,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:38,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:38,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:38,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 07:22:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:38,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:38,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:22:38,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:38,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 07:22:38,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:38,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 07:22:38,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:38,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:38,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:38,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:38,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:22:38,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:38,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 07:22:38,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:38,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:38,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 07:22:38,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650666292] [2020-09-25 07:22:38,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:38,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:22:38,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384486044] [2020-09-25 07:22:38,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:22:38,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:38,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:22:38,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:22:38,269 INFO L87 Difference]: Start difference. First operand 1060 states and 1180 transitions. Second operand 6 states. [2020-09-25 07:22:38,575 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 07:22:39,453 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 07:22:39,821 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:22:40,339 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:22:45,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:45,279 INFO L93 Difference]: Finished difference Result 1173 states and 1319 transitions. [2020-09-25 07:22:45,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 07:22:45,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200 [2020-09-25 07:22:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:45,288 INFO L225 Difference]: With dead ends: 1173 [2020-09-25 07:22:45,289 INFO L226 Difference]: Without dead ends: 1170 [2020-09-25 07:22:45,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 07:22:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2020-09-25 07:22:45,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1059. [2020-09-25 07:22:45,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1059 states. [2020-09-25 07:22:45,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1178 transitions. [2020-09-25 07:22:45,364 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1178 transitions. Word has length 200 [2020-09-25 07:22:45,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:45,364 INFO L479 AbstractCegarLoop]: Abstraction has 1059 states and 1178 transitions. [2020-09-25 07:22:45,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:22:45,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1178 transitions. [2020-09-25 07:22:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-25 07:22:45,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:45,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:22:45,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:22:45,368 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:45,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:45,368 INFO L82 PathProgramCache]: Analyzing trace with hash 584337706, now seen corresponding path program 1 times [2020-09-25 07:22:45,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:45,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691786281] [2020-09-25 07:22:45,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:45,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:45,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:46,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:46,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-25 07:22:46,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-09-25 07:22:46,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:46,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-09-25 07:22:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-25 07:22:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:46,995 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:22:46,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:47,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:47,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:47,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 07:22:47,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-09-25 07:22:47,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:47,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 07:22:47,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 07:22:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:47,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:47,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:47,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:22:47,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:47,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 07:22:47,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:47,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:47,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:47,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:22:47,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:47,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:22:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:47,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:47,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:47,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:22:47,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:47,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 07:22:47,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:47,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:47,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:47,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:47,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:22:47,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:47,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:22:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:47,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:47,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:47,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:22:47,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 07:22:47,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:47,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:22:47,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:22:47,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:22:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:47,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:47,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:47,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:47,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:47,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 07:22:47,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:47,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:47,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:47,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:47,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 07:22:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:48,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:48,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:48,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:48,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 07:22:48,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:48,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:48,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:48,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:48,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:48,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 07:22:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:48,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:48,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:22:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 07:22:48,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:48,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 07:22:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:48,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:48,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:48,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:22:48,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:48,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 07:22:48,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:48,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:48,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:48,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:48,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:48,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:48,267 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 07:22:48,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691786281] [2020-09-25 07:22:48,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:48,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:22:48,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863276278] [2020-09-25 07:22:48,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:22:48,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:48,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:22:48,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:22:48,270 INFO L87 Difference]: Start difference. First operand 1059 states and 1178 transitions. Second operand 6 states. [2020-09-25 07:22:48,499 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 07:22:49,186 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 198